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PSOT05LC-LF-T7

Public Made by Adom

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ProTek Devices ESD And Surge Protection (TVS/ESD), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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PSOT05LC-LF-T7

ProTek Devices · ESD And Surge Protection (TVS/ESD) · SOT-23

PSOT05LC-LF-T7 from ProTek Devices, in a SOT-23. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 I/O bidirectional I/O line connection; the datasheet applies positive potential from pin 1 to pin 2 and rates PSOT05LC at 5 V rated stand-off voltage, 500 W peak pulse power (8/20µs) per line.
2 GND power_in Ground reference (datasheet note: pin 2 is ground); do not test or surge from pin 2 to pin 1 because PIV is typically greater than 100 V for the rectifier diode.
3 NC unconnected Not connected in the datasheet's application circuits; the datasheet labels pin 3 as the cathode only for unidirectional devices.

Key specifications

Parameter Value
Manufacturer ProTek Devices
Package SOT-23
Category Circuit Protection
Pins 3

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Minimum breakdown voltage V(BR) 6 V @ 1mA 2
Maximum clamping voltage VC 9.8 V Fig. 2, @ IP = 1A 2
Maximum clamping voltage VC 11 V Fig. 2, @ IP = 5A 2
Maximum leakage current ID 20 µA @VWM 2
Peak pulse power PPP 500 Watts tp = 8/20µs, See Figure 1 2
Operating temperature TL -55 150 °C 2
Storage temperature TSTG -55 150 °C 2
Typical capacitance C 5 pF @0V, 1MHz 2
Rated stand-off voltage VWM 5 VOLTS Column printed without min/max label; per line 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Lead-Free Pure-Tin Plating (Annealed) • Solder Reflow Temperature: 1

CAD (KiCad official)

  • Symbol: PSOT05LC-LF-T7
  • Footprint: Package_TO_SOT_SMD:SOT-23
  • 3D model: SOT-23 (KiCad packages3D, STEP)
  • 3D model files: psot05lc-lf-t7-etched.step / psot05lc-lf-t7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); psot05lc-lf-t7.step / psot05lc-lf-t7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: ProTek Devices datasheet (9 pp, sha256 17c168556b37f264, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF